三事比類
Subtitle: 4-kwŏn
By: Yun Pong-han chʻanjip
Series: Chʻŏngsuhŏn yugo -- 2-3
Publisher: Yun Yŏng-sŏp
Published: 1940
Place of publication: Chʻŏngdo
Language: kor
Other titles: Samsa piryu; Chʻŏngsu yugo
Notes: On double leaves, oriental style, in case.